The living soil :
Balfour, Evelyn Barbara,
The living soil : evidence of the importance to human health of soil vitality, with special reference to national planning / Evelyn Barbara Balfour, - [Rev. ed.] - New York : Devin-Adair Co. , c1950. - 270 p.: ill. ; 23 cm.
Includes bibliography and index
Soils.
Compost.
Soil microbiology.
Nutrition.
631.4 / BAL
The living soil : evidence of the importance to human health of soil vitality, with special reference to national planning / Evelyn Barbara Balfour, - [Rev. ed.] - New York : Devin-Adair Co. , c1950. - 270 p.: ill. ; 23 cm.
Includes bibliography and index
Soils.
Compost.
Soil microbiology.
Nutrition.
631.4 / BAL